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Finding the Fourth Proportional to 22,021,199.20, 30,893,451.80 and 22,021,199.20

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Solution

The fourth proportional to 22,021,199.20, 30,893,451.80 and 22,021,199.20 is: 30,893,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021,199.20 : 30,893,451.80 = 22,021,199.20 : x
  2. Step 2: Convert to fraction form
    22,021,199.20/30,893,451.80 = 22,021,199.20/x
  3. Step 3: Cross multiply
    22,021,199.20x = 30,893,451.80 × 22,021,199.20
  4. Step 4: Simplify right side
    22,021,199.20x = 680,310,856,063,398.50
  5. Step 5: Solve for x
    x = 680,310,856,063,398.50/22,021,199.20
  6. Step 6: Final answer
    x = 30,893,451.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.